<template>
    <div
        id="app"
        class="a"
        data-a="4"
    >
        HELLO 学习页
    </div>
</template>

<script>
export default {
    name: 'App',
};
</script>

<style>
#app {
    display: none;
    flex-direction: column;
    align-items: center;
}
</style>
